A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark into ...
The Syncfusion .NET PDF Library provides support to add watermark as an image or text that is added to a PDF document to indicate the authenticity or ownership of the document. The library provides ...
When Apple revealed macOS Mojave at WWDC 2018 last week, the company briefly teased a new ability that allows Mac users to quickly add watermarks to multiple pages within a PDF file, or a batch of ...